After Angelica leaves the room after finishing her painting, the Rugrats come in and do finger-painting on it. After Angelica noticed what they did, she chased them around the room in a fit of anger, splattering paint all over the place. When Charlotte noticed this, she called it a work of art, and hired her to redecorate Chazz's den. The moment came when Charlotte entered Angelica i (thetvdb.com)